Ostrówek [ɔsˈtruvɛk] is a village in the administrative district of Gmina Koczała, within Człuchów County, Pomeranian Voivodeship, in northern Poland. It lies approximately 8 kilometres (5 mi) north of Koczała, 40 km (25 mi) north-west of Człuchów, and 110 km (68 mi) south-west of the regional capital Gdańsk.

For details of the history of the region, see History of Pomerania.